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nevsk [136]
2 years ago
9

Two parts of the food chain are described below:

Chemistry
2 answers:
weqwewe [10]2 years ago
6 0

Answer:

the answer is a

SVETLANKA909090 [29]2 years ago
5 0

Answer:

A: part 1 consumers, part 2 the sun

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Give the spectator ions for the reaction that occurs when aqueous solutions of H 2SO 4 and KOH are mixed.
Sever21 [200]

Answer:

The spectator ions is: K^+   and  SO^{2-}_4

Explanation:

The equation of reaction between  H₂ SO₄ and KOH is:

H_2SO_{4(aq)} + 2KOH _{aq} \to K_2SO_{4(aq)} +2H_2O _{(l)}

Rewriting this equation as ionic;

[2H^{+} + SO^{2-}_4 + 2K^+ +2OH^- \to 2K^+  SO_4^{2-} + 2H_2O ]

Spectators ions are ions present on both sides of the ionic equation by the same quantity but do not take part in the net reaction.

5 0
2 years ago
Name the functional group in the<br> following molecule:
Anna71 [15]

Answer:

B. Aromatic

Explanation:

Functional groups are groups that differentiate a specific organic compound from others. A functional group determines the chemical property of the compound that possesses it.

For example, just like alkene and alcohol functional groups have characteristics double bond (=) and hydroxyl (OH) group respectively, the image in the attachment of this question has a BENZENE RING at the core of its structure, hence, the organic compound can be regarded to have an AROMATIC FUNCTIONAL GROUP.

4 0
2 years ago
What must happen in order for water to change state?
malfutka [58]

Answer:

B

Explanation:

if it releases energy it becomes a solid(Solid)

if it absorbs energy it becomes a gas(Water Vapor)

4 0
2 years ago
What is another name for groups of elements?
jeka94
They are called groups or family. Hope this helps 
6 0
2 years ago
Como se escribe K2O ennomemclatura estequimetrica y stock​
Paladinen [302]
i speak english . gracias!
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